Podcast:Hidden Brain Published On: Tue Sep 12 2017 Description: We all have regrets. By some estimates, regret is one of the most common emotions experienced in our daily lives. This week we'll hear listeners' stories of regret, and talk with psychology professor Amy Summerville. She runs the Regret Lab at Miami University in Ohio. Summerville says regret doesn't always have to be a negative force in our lives. Sometimes, it can be a hopeful emotion.